Question: What Ancient Greek unit of volume has the biggest conversion to standard units ?
Paraphrase: Which Ancient Greek unit of volume has is greater than the standard of units?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q607056 . ?ent wdt:P2442 ?obj . ?ent wdt:P111 wd:Q39297 } ORDER BY DESC(?obj)LIMIT 5 
Answer: medimnos, metretes, medimnos, medimnos, metretes